Method evidence record

Welch ANOVA

Welch ANOVA is a parametric hypothesis test that compares the means of three or more independent groups when their variances are not equal. Introduced by B. L. Welch in 1951, it replaces classic one-way ANOVA whenever the homogeneity-of-variance assumption fails, while still requiring approximately normal data.

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Welch's Analysis of Variance

Taxonomic method record · hypothesis-test / statistics

Welch, B.L. (1951). On the Comparison of Several Mean Values. Biometrika, 38(3/4), 330–336. · URL

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Related methods

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Same method familyKruskal-Wallis testmachine-suggested · Relational suggestion, not evidence.Same method familyOne-way ANOVAmachine-suggested · Relational suggestion, not evidence.Same method familyWelch t-testmachine-suggested · Relational suggestion, not evidence.